/* ============================================================
   style.css — RAU Metals Ana Stil Dosyası
   Renk Paleti:
     --navy   : Koyu lacivert (header, footer, koyu bölümler)
     --orange : Mavi vurgu (eski turuncu — tüm vurgu alanları artık mavi)
     --light  : Açık gri arka plan
     --white  : Beyaz
   ============================================================ */

/* ---- TEMEL DEĞİŞKENLER ---- */
:root {
  --navy:        #0d1b2e;
  --navy-light:  #162540;
  --orange:      #1a6fff;   /* vurgu rengi — tutarlılık için header mavi ile aynı */
  --orange-dark: #0f58e0;
  --white:       #ffffff;
  --light:       #f4f6f8;
  --gray:        #6b7280;
  --border:      #e2e8f0;
  --text:        #1e293b;
  --transition:  0.3s ease;
}

/* ---- SIFIRLA & TEMEL ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---- YARDIMCI SINIFLAR ---- */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

.section-tag {          /* "OUR PRODUCTS" gibi küçük üst etiket */
  display: inline-block;
  color: var(--orange);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
}

.section-title.light { color: var(--white); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.btn-orange {
  background: var(--orange);
  color: var(--white);
}
.btn-orange:hover { background: var(--orange-dark); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
}
.btn-navy:hover { background: var(--navy-light); }

/* ---- HEADER & NAVİGASYON ---- */
#main-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 1320px;
  background: rgba(5, 10, 20, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 12px;
  z-index: 1000;
  transition: all 0.3s ease;
}

/* Container'ı header içinde tam genişliğe aç */
#main-header .container {
  max-width: none;
  padding: 0;
  width: 100%;
}

/* 3 blok: logo | nav (orta) | buton+dil */
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 60px;
  gap: 0;
}

/* Blok 1: Logo — sol, flex: 0 0 auto */
.logo {
  text-decoration: none;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
}

.logo-img {
  height: 75px;
  width: auto;
  display: block;
}

/* Blok 2: Nav linkleri — flex: 1, tam ortada */
#nav-links {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

#nav-links > a {
  color: rgba(255,255,255,0.62);
  font-size: 15px;
  font-weight: 500;
  padding: 0;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

#nav-links > a:hover { color: var(--white); }

#nav-links > a.active { color: #4a9eff; }

/* Blok 3: Buton + dil seçici — sağ, flex: 0 0 auto */
.header-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Dil butonları — Blok 3 içinde butona yakın (sıkı grup) */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 1px;
  margin-left: 18px;
}

.lang-switcher button {
  background: none;
  border: none;
  color: rgba(255,255,255,0.45);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  padding: 5px 7px;
  border-radius: 3px;
  transition: var(--transition);
  letter-spacing: 0.5px;
}

.lang-switcher button.active,
.lang-switcher button:hover {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.lang-sep {
  color: rgba(255,255,255,0.2);
  font-size: 0.7rem;
}

/* nav-cta artık header-actions içinde */
.nav-cta { flex-shrink: 0; }

.btn-blue {
  background: #1a6fff;
  color: var(--white);
  border-color: #1a6fff;
}
.btn-blue:hover {
  background: #0f58e0;
  border-color: #0f58e0;
}

/* Hamburger — sadece mobilde görünür */
#menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  margin-left: auto;
}

/* ---- HERO (ANA BANNER) ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image:
    linear-gradient(
      to right,
      rgba(5,10,20,0.75) 0%,
      rgba(5,10,20,0.75) 30%,
      rgba(5,10,20,0.20) 60%,
      rgba(5,10,20,0.00) 100%
    ),
    url('../images/aluminyum-profil.png');
  background-size: cover;
  background-position: center center;
  background-color: #05080e;
}

/* .hero-bg artık kullanılmıyor — background .hero üzerinde */
.hero-bg { display: none; }

/* İçerik — z-index header'dan yüksek */
.hero-main {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  align-items: center;
}

.hero-inner {
  display: block;
  padding: 160px 0 80px; /* 160px: header alanı + nefes boşluğu */
  width: 100%;
  max-width: 680px;
}

/* Küçük slogan etiketi — mavi, çizgisiz */
.hero-label {
  display: inline-block;
  color: #4a9eff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

/* Büyük başlık */
.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.06;
  margin-bottom: 22px;
  letter-spacing: -0.5px;
}

.hero-desc {
  color: rgba(255,255,255,0.62);
  font-size: 0.95rem;
  margin-bottom: 38px;
  max-width: 460px;
  line-height: 1.75;
}

.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Sağ: ürün görseli */
.hero-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image img {
  max-height: 430px;
  width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 24px 48px rgba(0,0,0,0.7));
  border-radius: 6px;
}

/* Hero alt özellikler çubuğu */
.hero-features {
  position: relative;
  z-index: 1;
  background: linear-gradient(
    to bottom,
    rgba(5, 10, 20, 0.0) 0%,
    rgba(5, 10, 20, 0.85) 40%,
    rgba(5, 10, 20, 0.95) 100%
  );
  border-top: none;
  padding: 26px 0;
}

.hero-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.feature-item:not(:last-child) {
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  padding-right: 2rem;
}

.feature-item:not(:first-child) {
  padding-left: 2rem;
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-features .feature-icon i {
  color: #ffffff;
  font-size: 3rem;
  opacity: 1;
}

.feature-svg-icon {
  width: 56px;
  height: 56px;
  color: #ffffff;
  stroke: #ffffff;
  stroke-width: 2;
  flex-shrink: 0;
}

.feature-icon i {
  display: none;
}

.feature-title {
  color: #ffffff;
  font-size: 0.945rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.feature-desc {
  color: #cccccc;
  font-size: 0.845rem;
}

/* ---- ÜRÜNLER / HİZMETLER BÖLÜMÜ ---- */
.products-section {
  padding-top: 40px;
  padding-bottom: 40px;
  background: #f8f9fa;
}

/* Outline mavi buton — "View All Products" için */
.btn-outline-blue {
  background: transparent;
  color: var(--orange);          /* #1a6fff */
  border: 1.5px solid var(--orange);
}
.btn-outline-blue:hover {
  background: rgba(26,111,255,0.06);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 20px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  background: var(--white);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.1);
  border-color: var(--orange);
}

.product-card-img {
  height: 200px;
  overflow: hidden;
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-card-img img {
  transform: scale(1.05);
}

/* Görsel yoksa placeholder renk göster */
.product-card-img.placeholder {
  background: linear-gradient(135deg, #1a3a5c, #0d1b2e);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.product-card-body {
  padding: 20px;
}

.product-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-card-desc {
  font-size: 0.82rem;
  color: var(--gray);
  line-height: 1.5;
}

/* ---- ÜRETİM SÜRECİ ---- */
.process-section {
  padding-top: 80px;
  padding-bottom: 80px;
  background: #f1f2f4;
}

.process-image-strip {
  width: 100%;
  margin: 24px 0 0 0;
  border-radius: 8px;
  overflow: hidden;
  padding: 0;
}

.process-image-strip img {
  width: 100%;
  height: auto;
  display: block;
}

.process-section .container {
  max-width: 100%;
  padding-left: 40px;
  padding-right: 40px;
}

.process-labels {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0 0 0;
  width: 97%;
}

.process-labels span:not(.arrow) {
  flex: 1;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

html[lang="de"] .process-labels span:not(.arrow),
.lang-de .process-labels span:not(.arrow) {
  font-size: 0.58rem;
  letter-spacing: 0.3px;
}

.process-labels .arrow {
  flex: 0 0 16px;
  text-align: center;
  color: #1a6fff;
  font-size: 1.2rem;
}

.process-steps {
  display: none;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  flex: 1;
  min-width: 0;
  padding: 0 4px;
}

/* Mavi dikdörtgen rozet — ikonun üzerinde */
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #1a6fff;
  color: #ffffff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 3px;
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}

/* Çembersiz ikon — sadece SVG */
.step-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.step-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  text-align: center;
  word-break: break-word;
  hyphens: auto;
  max-width: 100%;
  line-height: 1.3;
}

/* ---- NEDEN BİZ + SERTİFİKALAR ---- */
.why-section {
  padding: 90px 0;
  background: var(--navy);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.why-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 36px;
}

.why-item {
  display: flex;
  gap: 14px;
}

.why-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  border: 1.5px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.why-item-title {
  color: var(--white);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.why-item-desc {
  color: rgba(255,255,255,0.55);
  font-size: 0.8rem;
  line-height: 1.5;
}

/* Sertifika paneli — koyu bölüm içinde beyaz kart */
.cert-area {
  background: var(--white);
  border-radius: 12px;
  padding: 36px;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  text-align: center;
}

.cert-area .section-tag {
  color: var(--orange);
  font-size: 1rem;
  letter-spacing: 1.5px;
  margin-bottom: 24px;
  display: block;
  text-align: center;
}


.cert-badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* SVG ikon ortak stili — tüm ikon konteynerleri için */
.icon-svg {
  width: 22px;
  height: 22px;
  stroke: rgba(255,255,255,0.88);
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* Üretim süreci ikonları — koyu lacivert, biraz büyük */
.process-section .icon-svg {
  stroke: var(--navy);
  width: 60px;
  height: 60px;
}

.process-arrow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 48px;
  color: #1a6fff;
  font-size: 1.5rem;
  font-weight: 300;
  flex-shrink: 0;
}

/* Sertifika rozetleri — beyaz kart üzerinde SVG */
.cert-badge {
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: 8px;
  padding: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.cert-badge img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.cert-badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 20px;
}

/* ---- UYGULAMALAR (APPLICATIONS) ---- */
.applications-section {
  padding: 70px 0;
  background: var(--white);
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 48px;
}

.app-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  height: 200px;
  background: var(--navy);
}

.app-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.7;
  transition: var(--transition);
}

.app-card:hover img { opacity: 0.5; transform: scale(1.05); }

.app-card-label {
  display: none; /* #16: başlık etiketleri kaldırıldı */
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 30px 16px 14px;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
}

/* Footer'da logo biraz daha küçük */
.footer-about .logo { margin-right: 0; margin-bottom: 16px; }
.footer-about .logo-img { height: 40px; }

/* ---- FOOTER ---- */
footer {
  background: var(--navy);
  border-top: 3px solid var(--orange);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-about p {
  color: rgba(255,255,255,0.5);
  font-size: 0.82rem;
  margin-top: 14px;
  line-height: 1.7;
}

.footer-col-title {
  color: var(--white);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: rgba(255,255,255,0.5);
  font-size: 0.82rem;
  transition: var(--transition);
}

.footer-links a:hover { color: var(--orange); }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(255,255,255,0.5);
  font-size: 0.82rem;
  margin-bottom: 10px;
}

/* Footer SVG ikonları — daha küçük boyut */
.footer-icon {
  width: 15px;
  height: 15px;
  stroke: var(--orange);
  flex-shrink: 0;
  margin-top: 1px;
}

.footer-quote {
  background: rgba(26,111,255,0.08);
  border: 1px solid rgba(26,111,255,0.22);
  border-radius: 8px;
  padding: 20px;
}

.footer-quote p {
  color: rgba(255,255,255,0.6);
  font-size: 0.8rem;
  margin-bottom: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.footer-bottom p {
  color: rgba(255,255,255,0.35);
  font-size: 0.75rem;
}

/* ---- ANİMASYON (görünüme girince belirir) ---- */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* Gecikme sınıfları — kartlar art arda belirir */
[data-animate].delay-1 { transition-delay: 0.1s; }
[data-animate].delay-2 { transition-delay: 0.2s; }
[data-animate].delay-3 { transition-delay: 0.3s; }
[data-animate].delay-4 { transition-delay: 0.4s; }

/* ---- MOBİL UYUMLU (Responsive) ---- */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .apps-grid     { grid-template-columns: repeat(3, 1fr); }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
  .why-grid      { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  /* Menü gizle, hamburger göster */
  #menu-toggle { display: block; }

  #nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(5,10,20,0.97);
    flex-direction: column;
    padding: 14px 20px 22px;
    gap: 2px;
    border-top: 1px solid rgba(255,255,255,0.07);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  }

  #nav-links.open { display: flex; }

  #nav-links > a {
    padding: 10px 14px;
    width: 100%;
  }

  /* Mobilde header-actions gizle, hamburger menüye taşı */
  .header-actions { display: none; }

  .lang-switcher {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 10px;
    margin-top: 4px;
    margin-left: 0;
    width: 100%;
  }

  .nav-cta { width: 100%; }
  .nav-cta .btn { width: 100%; justify-content: center; }

  /* Hero tek sütun */
  .hero-inner { grid-template-columns: 1fr; gap: 30px; }
  .hero-image { display: none; }
  .hero-features-grid { grid-template-columns: repeat(2, 1fr); }

  .products-grid { grid-template-columns: 1fr; }
  .why-features  { grid-template-columns: 1fr; }
  .apps-grid     { grid-template-columns: repeat(2, 1fr); }
  .footer-grid   { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .section-header { flex-direction: column; align-items: flex-start; }

  .process-steps { gap: 0; }
}

@media (max-width: 480px) {
  .hero-features-grid { grid-template-columns: 1fr; }
  .apps-grid          { grid-template-columns: 1fr; }
  .hero-btns          { flex-direction: column; }
  .btn                { justify-content: center; }
}